220968884 has 24 divisors (see below), whose sum is σ = 398872320. Its totient is φ = 107031456.

The previous prime is 220968859. The next prime is 220968919. The reversal of 220968884 is 488869022.

220968884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32249 + ... + 38495.

It is an arithmetic number, because the mean of its divisors is an integer number (16619680).

Almost surely, 2^220968884 is an apocalyptic number.

It is an amenable number.

220968884 is a deficient number, since it is larger than the sum of its proper divisors (177903436).

220968884 is a wasteful number, since it uses less digits than its factorization.

220968884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527 (or 6525 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 220968884 is about 14865.0221661456. The cubic root of 220968884 is about 604.5659833704.

The spelling of 220968884 in words is "two hundred twenty million, nine hundred sixty-eight thousand, eight hundred eighty-four".